This Week in PNAS

A University of California-led team sequenced the genomes of dozens of Batrachochytrium dendrobatidis isolates in an effort to understand the evolutionary history of the fungus — an amphibian pathogen that's had particularly detrimental effects on amphibian populations in the Americas. As they report in the early, online edition of the Proceedings of the National Academy of Sciences, the researchers found a great deal of genetic diversity amongst 29 B.

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In a statement, National Institutes of Health Director Francis Collins says sexual harassment is "morally indefensible" and "unacceptable."

Octopuses might owe their intelligence to their liberal alterations to their genes, Cosmos reports.

Stat News and ProPublica report that African Americans are underrepresented in cancer clinical trials.

In Cell this week: genomic analysis of abdominal aortic aneurysm, effect of probiotics on the microbiome, and more.